Файл: phpBB3/includes/auth/auth_apache.php
Строк: 147
<?php
/**
* Apache auth plug-in for phpBB3
*
* Authentication plug-ins is largely down to Sergey Kanareykin, our thanks to him.
*
* @package login
* @version $Id$
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
/**
* Checks whether the user is identified to apache
* Only allow changing authentication to apache if the user is identified
* Called in acp_board while setting authentication plugins
*
* @return boolean|string false if the user is identified and else an error message
*/
function init_apache()
{
global $user;
if (!isset($_SERVER['PHP_AUTH_USER']) || $user->data['username'] !== $_SERVER['PHP_AUTH_USER'])
{
return $user->lang['APACHE_SETUP_BEFORE_USE'];
}
return false;
}
/**
* Login function
*/
function login_apache(&$username, &$password)
{
global $db;
// do not allow empty password
if (!$password)
{
return array(
'status' => LOGIN_ERROR_PASSWORD,
'error_msg' => 'NO_PASSWORD_SUPPLIED',
'user_row' => array('user_id' => ANONYMOUS),
);
}
if (!$username)
{
return array(
'status' => LOGIN_ERROR_USERNAME,
'error_msg' => 'LOGIN_ERROR_USERNAME',
'user_row' => array('user_id' => ANONYMOUS),
);
}
if (!isset($_SERVER['PHP_AUTH_USER']))
{
return array(
'status' => LOGIN_ERROR_EXTERNAL_AUTH,
'error_msg' => 'LOGIN_ERROR_EXTERNAL_AUTH_APACHE',
'user_row' => array('user_id' => ANONYMOUS),
);
}
$php_auth_user = $_SERVER['PHP_AUTH_USER'];
$php_auth_pw = $_SERVER['PHP_AUTH_PW'];
if (!empty($php_auth_user) && !empty($php_auth_pw))
{
if ($php_auth_user !== $username)
{
return array(
'status' => LOGIN_ERROR_USERNAME,
'error_msg' => 'LOGIN_ERROR_USERNAME',
'user_row' => array('user_id' => ANONYMOUS),
);
}
$sql = 'SELECT user_id, username, user_password, user_passchg, user_email, user_type
FROM ' . USERS_TABLE . "
WHERE username = '" . $db->sql_escape($php_auth_user) . "'";
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if ($row)
{
// User inactive...
if ($row['user_type'] == USER_INACTIVE || $row['user_type'] == USER_IGNORE)
{
return array(
'status' => LOGIN_ERROR_ACTIVE,
'error_msg' => 'ACTIVE_ERROR',
'user_row' => $row,
);
}
// Successful login...
return array(
'status' => LOGIN_SUCCESS,
'error_msg' => false,
'user_row' => $row,
);
}
// this is the user's first login so create an empty profile
return array(
'status' => LOGIN_SUCCESS_CREATE_PROFILE,
'error_msg' => false,
'user_row' => user_row_apache($php_auth_user, $php_auth_pw),
);
}
// Not logged into apache
return array(
'status' => LOGIN_ERROR_EXTERNAL_AUTH,
'error_msg' => 'LOGIN_ERROR_EXTERNAL_AUTH_APACHE',
'user_row' => array('user_id' => ANONYMOUS),
);
}
/**
* Autologin function
*
* @return array containing the user row or empty if no auto login should take place
*/
function autologin_apache()
{
global $db;
if (!isset($_SERVER['PHP_AUTH_USER']))
{
return array();
}
$php_auth_user = $_SERVER['PHP_AUTH_USER'];
$php_auth_pw = $_SERVER['PHP_AUTH_PW'];
if (!empty($php_auth_user) && !empty($php_auth_pw))
{
set_var($php_auth_user, $php_auth_user, 'string', true);
set_var($php_auth_pw, $php_auth_pw, 'string', true);
$sql = 'SELECT *
FROM ' . USERS_TABLE . "
WHERE username = '" . $db->sql_escape($php_auth_user) . "'";
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if ($row)
{
return ($row['user_type'] == USER_INACTIVE || $row['user_type'] == USER_IGNORE) ? array() : $row;
}
if (!function_exists('user_add'))
{
global $phpbb_root_path, $phpEx;
include($phpbb_root_path . 'includes/functions_user.' . $phpEx);
}
// create the user if he does not exist yet
user_add(user_row_apache($php_auth_user, $php_auth_pw));
$sql = 'SELECT *
FROM ' . USERS_TABLE . "
WHERE username_clean = '" . $db->sql_escape(utf8_clean_string($php_auth_user)) . "'";
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if ($row)
{
return $row;
}
}
return array();
}
/**
* This function generates an array which can be passed to the user_add function in order to create a user
*/
function user_row_apache($username, $password)
{
global $db, $config, $user;
// first retrieve default group id
$sql = 'SELECT group_id
FROM ' . GROUPS_TABLE . "
WHERE group_name = '" . $db->sql_escape('REGISTERED') . "'
AND group_type = " . GROUP_SPECIAL;
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if (!$row)
{
trigger_error('NO_GROUP');
}
// generate user account data
return array(
'username' => $username,
'user_password' => phpbb_hash($password),
'user_email' => '',
'group_id' => (int) $row['group_id'],
'user_type' => USER_NORMAL,
'user_ip' => $user->ip,
'user_new' => ($config['new_member_post_limit']) ? 1 : 0,
);
}
/**
* The session validation function checks whether the user is still logged in
*
* @return boolean true if the given user is authenticated or false if the session should be closed
*/
function validate_session_apache(&$user)
{
// Check if PHP_AUTH_USER is set and handle this case
if (isset($_SERVER['PHP_AUTH_USER']))
{
$php_auth_user = '';
set_var($php_auth_user, $_SERVER['PHP_AUTH_USER'], 'string', true);
return ($php_auth_user === $user['username']) ? true : false;
}
// PHP_AUTH_USER is not set. A valid session is now determined by the user type (anonymous/bot or not)
if ($user['user_type'] == USER_IGNORE)
{
return true;
}
return false;
}
?>